Home / 117,220,793.44-161,774,622.48-65,026,638.76

Finding the Fourth Proportional to 117,220,793.44, 161,774,622.48 and 65,026,638.76

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Solution

The fourth proportional to 117,220,793.44, 161,774,622.48 and 65,026,638.76 is: 89,742,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220,793.44 : 161,774,622.48 = 65,026,638.76 : x
  2. Step 2: Convert to fraction form
    117,220,793.44/161,774,622.48 = 65,026,638.76/x
  3. Step 3: Cross multiply
    117,220,793.44x = 161,774,622.48 × 65,026,638.76
  4. Step 4: Simplify right side
    117,220,793.44x = 10,519,659,936,542,334
  5. Step 5: Solve for x
    x = 10,519,659,936,542,334/117,220,793.44
  6. Step 6: Final answer
    x = 89,742,268.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.